// ignore_for_file: unused_local_variable

import 'dart:math';

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter_app/main02.dart';
import 'package:flutter_app/main26.dart';
import 'res/listData.dart';
import 'pages/Tabs.dart';
import 'routes/routes.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text("Flutter_Demo"),
        ),
        body: HomePage(),
      ),
    );
  }
}

//自定义有状态组件
class HomePage extends StatefulWidget {
  HomePage({Key? key}) : super(key: key);

  @override
  _HomePageState createState() => _HomePageState();
}

class _HomePageState extends State<HomePage> {
  int countNum = 1;

  @override
  Widget build(BuildContext context) {
    return Column(
      children: [
        SizedBox(
          height: 200,
        ),
        Chip(
          label: Text("${this.countNum}"),
        ),
        ElevatedButton(
          onPressed: () {
            setState(() {
              this.countNum++;
            });
          },
          child: Text("按钮"),
        ),
      ],
    );
  }
}
